Rectal Tumour Staging with Endorectal Ultrasound: Is There Any Difference between Western and Eastern European Countries?

Table 2

Accuracy of ERUS for each T stage without neoadjuvant therapy, throughout the whole study period ( = 67).

	uT1	uT2	uT3
uT-pT correspondence (kappa coefficient)	0.465	0.411	0.606
Sensitivity	75%	73%	58%
Specificity	74%	80%	96%
PPV	85%	42%	78%
NPV	61%	94%	91%